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Poly[dinitrato[?(3)-2,4,6-tris-(4-pyrid-yl)-1,3,5-triazine]cobalt(II)].

ABSTRACT: The solvothermal reaction of Co(NO(3))(2) and 2,4,6-tris(4-pyridyl)-1,3,5-triazine in dimethyl-formamide/ethanol mixed solvent afforded the title coordination polymer, [Co(NO(3))(2)(C(18)H(12)N(6))](n), in which the Co(II) atom is seven-coordinated by pyridyl groups of three different ligands and two chelating nitrate anions. The complex displays a nano-sized porous metal-organic framework that belongs to a (10,3) topological network.

SUBMITTER: Wang YP

PROVIDER: S-EPMC3120381 | biostudies-literature | 2011 Jun

REPOSITORIES: biostudies-literature

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Poly[dinitrato[μ(3)-2,4,6-tris-(4-pyrid-yl)-1,3,5-triazine]cobalt(II)].

Wang Ya-Ping YP Zhang Ning N He Xiang X Shao Min M Li Ming-Xing MX

Acta crystallographica. Section E, Structure reports online 20110514 Pt 6

The solvothermal reaction of Co(NO(3))(2) and 2,4,6-tris(4-pyridyl)-1,3,5-triazine in dimethyl-formamide/ethanol mixed solvent afforded the title coordination polymer, [Co(NO(3))(2)(C(18)H(12)N(6))](n), in which the Co(II) atom is seven-coordinated by pyridyl groups of three different ligands and two chelating nitrate anions. The complex displays a nano-sized porous metal-organic framework that belongs to a (10,3) topological network. ...[more]

PMID: 21754641

Similar Datasets

catena-Poly[[diaqua-bis-(formato-?O)nickel(II)]-?-2,4,6-tris-(4-pyrid-yl)-1,3,5-triazine-?N:N].

Project description:In the title compound, [Ni(CHO(2))(2)(C(18)H(12)N(6))(H(2)O)(2)](n), the Ni(II) ion, lying on a crystallographic inversion center, has a distorted octa-hedral coordination comprising two water ligands, two O-atom donors from formate ligands and two N-atom donors from the 2,4,6-tris-(4-pyrid-yl)-1,3,5-triazine ligands. These ligands bridge the Ni(II) complex units, forming zigzag chains along the c axis. Adjacent chains are linked by O-H?O hydrogen bonds, forming a three-dimensional supra-molecular network.

| S-EPMC3089175 | biostudies-other

2,4,6-Tris(2,4-dimethyl-phen-yl)-1,3,5-triazine.

Project description:Two virtually superimposable mol-ecules comprise the asymmetric unit of the title compound, C(27)H(27)N(3). The range of dihedral angles between the central 1,3,5-triazine ring and the attached benzene rings is 20.88?(14)-31.36?(14)°, and the shape of each mol-ecule is of a flattened bowl. The crystal packing features weak C-H?? bonds and ?-? inter-actions between triazine and benzene rings [centroid-centroid separations = 3.7696?(17) and 3.7800?(18)?Å] that result in the formation of supra-molecular layers in the ac plane. The crystal studied was a non-merohedral twin with a minor twin component of 20.7?(3)%.

| S-EPMC3344576 | biostudies-literature

Bis(?-azido-?N:N)bis-{(acetato-?O,O')[2,4,6-tris-(2-pyrid-yl)-1,3,5-triazine-?N,N,N]lead(II)}.

Project description:The complete dinuclear title complex, [Pb(2)(C(2)H(3)O(2))(2)(N(3))(2)(C(18)H(12)N(6))(2)], is generated by the application of a crystallographic centre of inversion. The Pb(II) atom is coordinated by three N atoms of the tridentate ligand, two O atoms derived from an asymmetrically coordinating acetate ligand, and two azido-N atoms derived from two asymmetrically bridging azido ligands. The metal coordination geometry can be described as a square anti-prism with one position occupied by an unseen lone pair of electrons. In the ligand, the two coordinating pyridine rings are almost co-planar with the central pyrazine ring [dihedral angles = 0.47?(17) and 0.83?(18)°], but the terminal ring is twisted [dihedral angle = 19.76?(18)°]. In the crystal, the presence of ?-? inter-actions [ring centroid distance between pyridyl rings = 3.581?(2)?Å] leads to supra-molecular chains along the a-axis direction.

| S-EPMC3201302 | biostudies-literature

4,4',4''-Tris(2-pyrid-yl)-2,2',2''-[(2,4,6-trimethyl-benzene-1,3,5-tri-yl)tris-(methyl-ene)tris-(sulfanedi-yl)]tripyrimidine.

Project description:The title compound, C(39)H(33)N(9)S(3), features a mesitylene unit substituted with three thio-ether arms. The distances from the center of mesitylene unit to the N atoms of the three pyridine rings in the arms are 10.05?(1), 9.94?(3) and 8.79?(3)?Å. The crystal structure shows weak intra-molecular C-H?N hydrogen bonds.

| S-EPMC2977171 | biostudies-literature

Heterometallic Coordination Polymer Gels Supported by 2,4,6-Tris(pyrazol-1-yl)-1,3,5-triazine.

Project description:Complexes of type [M(tpt)2]X2 (M2+ = Fe2+, Co2+, Ni2+; tpt = 2,4,6-tri{pyrazol-1-yl}-1,3,5-triazine; X- = BF4 - or ClO4 -) crystallize in a cubic lattice, with the metal ion and ligand conformation showing unusual symmetry-imposed disorder. Addition of 1 equiv AgX to the corresponding preformed [M(tpt)2]X2 salt in concentrated MeNO2 solution affords thixotropic gels. Gelation was not observed in analogous reactions using [Mn(tpt)2][ClO4]2, or from reactions in other, more donating solvents. Scanning electron microscopy (SEM) images from dilute solutions of the reagents confirmed the fibrous microstructure of the gels and their homogeneous elemental composition. However, energy-dispersive X-ray data show a reduced Fe/Ag ratio compared to the Co/Ag and Ni/Ag gels, where a 1:1 ratio of metals is evident. More concentrated gels decomposed to silver nanoparticles during SEM sample preparation. Mass spectrometry and 1H NMR indicate that silver induces partial ligand displacement reactions in [Fe(tpt)2]2+ and [Co(tpt)2]2+, but not in [Ni(tpt)2]2+. Hence, the strength of the gels, which follows the order M = Mn (no gel) < Fe < Co < Ni, correlates with the stability of octahedral [M(tpt)2]2+ under gelation conditions. Iron(II) complexes of the related ligands 2,4,6-tri{pyrazol-1-yl}pyridine (tpp) and 2,4,6-tri{pyrazol-1-yl}pyrimidine (tpym) did not undergo gelation with silver salts under the above conditions. The unique properties of tpt as a gelator in this work may reflect the crystallographically observed ability of metal-coordinated tpt to chelate to exogenous silver ions, through its pendant pyrazolyl group and triazinyl N donors. In contrast, the pendant azolyl substituents in silver complexes of the nongelators tpp and tpym only bind exogenous silver in monodentate fashion.

| S-EPMC6644042 | biostudies-literature

A second polymorph of 2,4,6-tris-(3,5-dimethyl-1H-pyrazol-1-yl)-1,3,5-triazine.

Project description:The mol-ecule of the title compound, C(18)H(21)N(9), is nearly planar, with the three pyrazole rings aligned at 2.40?(5), 9.27?(5) and 9.71?(5)° with respect to the triazine ring. The triazine ring is planar (r.m.s. deviation = 0.005?Å), the distortion from a hexa-gonal arrangement arising from the angles at the N [112.4?(1)-113.1?(1)°] and C [127.1?(1)-127.6?(1)°] atoms deviating from 120°. The crystal studied was an inversion twin.

| S-EPMC3515290 | biostudies-literature

Crystal structure of 2,4,6-tris-(cyclo-hex-yloxy)-1,3,5-triazine.

Project description:The title compound, C21H33N3O3, is a tri-substituted cyclo-hex-yloxy triazine. In the crystal, the triazine rings form (C3i-PU) Piedfort units. The inter-centroid distance of the π-π inter-action involving the triazine rings is 3.3914 (10) Å. In the crystal, mol-ecules are linked by C-H⋯O hydrogen bonds, forming ribbons propagating along [1-10]. There are also weak C-H⋯N and C-H⋯O contacts present, linking inversion-related ribbons, forming a three-dimensional structure.

| S-EPMC4645094 | biostudies-literature

Aqua-trinitrato[2,4,6-tris-(pyridin-2-yl)-1,3,5-triazine]neodymium(III) dihydrate.

Project description:In the title compound, [Nd(NO(3))(3)(C(18)H(12)N(6))(H(2)O)]·2H(2)O, the Nd(3+) ion is in a distorted bicapped square-anti-prismatic geometry formed by three N atoms from the 2,4,6-tris-(pyridin-2-yl)-1,3,5-triazine (TPTZ) ligand, six O atoms from the three nitrate anions and one O atom from the aqua ligand. The mol-ecules are linked by O-H?O and O-H?N hydrogen bonds. Two types of ?-? stacking inter-actions occur between the TPTZ ligands of adjacent complexes [centroid-to-centroid distances = 3.760?(4) and 3.870?(3)?Å].

| S-EPMC3120505 | biostudies-other

A cobalt complex with 2,4,6-tris(di-2-pyridylamine)-1,3,5-triazine: antiferromagnetic couple governed single-molecule-magnet behaviour.

Project description:One cobalt complex with distorted trigonal antiprismatic geometry was obtained using 2,4,6-tris(di-2-pyridylamine)-1,3,5-triazine (dipyatriz) as the ligand. X-ray crystallography showed the complex possessing a pair of metal centers, had an antiferromagnetic coupling between two Co(ii) ions. Further studied showed a field-induced slow relaxation under H dc = 0.8 kOe. The peak of out-of-phase was observed after 1000 Hz, which exhibited a moderate slow-relaxation behaviour comparing to the magnetic couple for single Co(ii) complex. This study may provide some strategies on designing new functional molecular magnetic materials with distinct magnetic properties and diverse the structures.

| S-EPMC8696572 | biostudies-literature

2,4,6-Trimethyl-1,3,5-tris-(morpholino-meth-yl)benzene.

Project description:In the title compound, C(24)H(39)N(3)O(3), the H atoms of the methyl groups are disordered over two positions, with site-occupation factors fixed at 0.5. The three morpholino groups are arranged in an asymmetrical fashion with respect to the anchoring mesitylene ring and adopt chair conformations. Inter-molecular C-H?? inter-actions link the mol-ecules into a one-dimensional chain structure.

| S-EPMC2961465 | biostudies-literature

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